Sheep Respiratory Conditions

C S Parker BVM&S DBR MRCVS

Scarsdale Vets

Derby

Pasteurella

Several types stress related clinical signs death?

Clinical signs pasteurella

Haemorrhage fluid in lungs

Pm problems

Disease outbreaks

Often May, June, July Often deaths initially Stress factors/climate

Prevention/Control

Vaccination antibiotics?

Other viral conditions

PI3 infection mycoplasma/atypical pneumonia slow viruses

PI3 infections

Under-lying cause of pasteurella?

Atypical pneumonia

Chronic - young sheep Can effect 40% lambs in flock chronic, mucopurulent nasal discharge reduces growth rates

Slow virus infections

Jaagsiekte Maedi-Visna

Jaagsiekte

Maedi-Visna

Long incubation Solid lungs weigh 2 -3x normal blood sampling

schemesMaedi-scheme.jpg

Caseous lympadenitis

30 -40 abscesses in lungs

contagious

Parasitic Bronchitis

Husk Muellarius

Oddities

tumours poisons